第一种:
<script language="javascript" type="text/javascript">
window.location.href="login.jsp?backurl="+window.location.href;
</script>
第二种:
<script language="javascript">
alert("返回");
window.history.back(-1);
</script>
第三种:
<script language="javascript">
window.navigate("top.jsp");
</script>
第四种:
<script language="JavaScript">
self.location="top.htm";
</script>
第五种:
<script language="javascript">
alert("非法访问!");
top.location="xx.jsp";
</script>
第六种:
servlet实现跳转-->request.getRequestDispatcher("/WEB-INF/pages/error.jsp").forward(request,response);